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19 Cards in this Set
- Front
- Back
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Theorem 5-1
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Opposite sides of a parallelogram are congruent
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Theorem 5-2
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Opposite angles of a parallelogram are congruent
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Theorem 5-3
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Diagonals of a parallelogram are congruent
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Theorem 5-4
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If both pairs of opposite sides of a quadrilateral are congruent, then the quadrilateral is a parallelogram
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Theorem 5-5
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If one pair of opposite sides of a quadrilateral are congruent, then the quadrilateral is a parallelogram
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Theorem 5-6
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If both pairs of opposite angles of a quadrilateral are congruent, then the quadrilateral is a parallelogram
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Theorem 5-7
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If the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram
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Theorem 5-8
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If two lines are parallel, then all points on one line are equidistant from the other line
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Theorem 5-9
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If thee parallel lines cutoff congruent segments on one transversal, then they cut off congruent segments on every transversal
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Theorem 5-10
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A line that contains the midpoint of one side of a triangle and is parallel to another side passes through the midpoint of the third side
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Theorem 5-11
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The segment that joins the midpoints of two sides of a triangle
(1) is parallel to the third side (2)is half as long as the third side |
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Theorem 5-12
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The diagonals of a rectangle are congruent
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Theorem 5-13
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The diagonals of a rhombus are perpendicular
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Theorem 5-14
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Each diagonal of a rhombus bisects two angles of the rhombus
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Theorem 5-15
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The midpoint of the hypotenuse of a right triangle is equidistant from the three vertices
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Theorem 5-16
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If an angle of a parallelogram is a right angle, then the parallelogram is a rectangle
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Theorem 5-17
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If two consecutive sides of a parallelogram are congruent, then the parallelogram is a rhombus
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Theorem 5-18
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Base angles of an isosceles trapezoid are congruent
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Theorem 5-19
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The median of a trapezoid
(1) is parallel to the base (2) has a length equal to the average of the base legs |
